Fix HConstant's hash function for smis on x64.

test/mjsunit/regress/regress-1969.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --allow-natives-syntax
 
 f();
 f();
 %OptimizeFunctionOnNextCall(f);
 var start = (new Date()).getTime();
-f();
+var array = f();
 var end = (new Date()).getTime();
 
 // Assert that recompiling and executing f() takes less than a second.
 assertTrue((end - start) < 1000);
 
+for (var i = 0; i < 5000; i++) assertEquals(0, array[i]);
+
 function f() {
   var a = new Array(5000);
   a[0]=0;
   a[1]=0;
   a[2]=0;
   a[3]=0;
   a[4]=0;
   a[5]=0;
   a[6]=0;
   a[7]=0;
@@ skipping 105 matching lines @@
   a[113]=0;
   a[114]=0;
   a[115]=0;
   a[116]=0;
   a[117]=0;
   a[118]=0;
   a[119]=0;
   a[120]=0;
   a[121]=0;
   a[122]=0;
-  a[0]=0;
+  a[123]=0;
   a[124]=0;
   a[125]=0;
   a[126]=0;
   a[127]=0;
   a[128]=0;
   a[129]=0;
   a[130]=0;
   a[131]=0;
   a[132]=0;
   a[133]=0;
@@ skipping 979 matching lines @@
   a[1113]=0;
   a[1114]=0;
   a[1115]=0;
   a[1116]=0;
   a[1117]=0;
   a[1118]=0;
   a[1119]=0;
   a[1120]=0;
   a[1121]=0;
   a[1122]=0;
-  a[10]=0;
+  a[1123]=0;
   a[1124]=0;
   a[1125]=0;
   a[1126]=0;
   a[1127]=0;
   a[1128]=0;
   a[1129]=0;
   a[1130]=0;
   a[1131]=0;
   a[1132]=0;
   a[1133]=0;
@@ skipping 86 matching lines @@
   a[1220]=0;
   a[1221]=0;
   a[1222]=0;
   a[1223]=0;
   a[1224]=0;
   a[1225]=0;
   a[1226]=0;
   a[1227]=0;
   a[1228]=0;
   a[1229]=0;
-  a[00]=0;
-  a[01]=0;
-  a[02]=0;
-  a[03]=0;
-  a[04]=0;
-  a[05]=0;
-  a[06]=0;
-  a[07]=0;
-  a[08]=0;
-  a[09]=0;
+  a[1230]=0;
+  a[1231]=0;
+  a[1232]=0;
+  a[1233]=0;
+  a[1234]=0;
+  a[1235]=0;
+  a[1236]=0;
+  a[1237]=0;
+  a[1238]=0;
+  a[1239]=0;
   a[1240]=0;
   a[1241]=0;
   a[1242]=0;
   a[1243]=0;
   a[1244]=0;
   a[1245]=0;
   a[1246]=0;
   a[1247]=0;
   a[1248]=0;
   a[1249]=0;
@@ skipping 863 matching lines @@
   a[2113]=0;
   a[2114]=0;
   a[2115]=0;
   a[2116]=0;
   a[2117]=0;
   a[2118]=0;
   a[2119]=0;
   a[2120]=0;
   a[2121]=0;
   a[2122]=0;
-  a[20]=0;
+  a[2123]=0;
   a[2124]=0;
   a[2125]=0;
   a[2126]=0;
   a[2127]=0;
   a[2128]=0;
   a[2129]=0;
   a[2130]=0;
   a[2131]=0;
   a[2132]=0;
   a[2133]=0;
@@ skipping 979 matching lines @@
   a[3113]=0;
   a[3114]=0;
   a[3115]=0;
   a[3116]=0;
   a[3117]=0;
   a[3118]=0;
   a[3119]=0;
   a[3120]=0;
   a[3121]=0;
   a[3122]=0;
-  a[30]=0;
+  a[3123]=0;
   a[3124]=0;
   a[3125]=0;
   a[3126]=0;
   a[3127]=0;
   a[3128]=0;
   a[3129]=0;
   a[3130]=0;
   a[3131]=0;
   a[3132]=0;
   a[3133]=0;
@@ skipping 979 matching lines @@
   a[4113]=0;
   a[4114]=0;
   a[4115]=0;
   a[4116]=0;
   a[4117]=0;
   a[4118]=0;
   a[4119]=0;
   a[4120]=0;
   a[4121]=0;
   a[4122]=0;
-  a[40]=0;
+  a[4123]=0;
   a[4124]=0;
   a[4125]=0;
   a[4126]=0;
   a[4127]=0;
   a[4128]=0;
   a[4129]=0;
   a[4130]=0;
   a[4131]=0;
   a[4132]=0;
   a[4133]=0;
@@ skipping 856 matching lines @@
   a[4990]=0;
   a[4991]=0;
   a[4992]=0;
   a[4993]=0;
   a[4994]=0;
   a[4995]=0;
   a[4996]=0;
   a[4997]=0;
   a[4998]=0;
   a[4999]=0;
+  return a;
 }